/*
 * Copyright (C) 2014 Saravan Pantham
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jams.music.player.Utils;

import android.content.Context;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.support.v4.util.LruCache;
import android.text.TextPaint;
import android.text.style.MetricAffectingSpan;

public class TypefaceSpan extends MetricAffectingSpan {

	private static LruCache<String, Typeface> sTypefaceCache = new LruCache<String, Typeface>(12);
  	private Typeface mTypeface;

  	public TypefaceSpan(Context context, String typefaceName) {
      	mTypeface = sTypefaceCache.get(typefaceName);

      	if (mTypeface == null) {
          	mTypeface = Typeface.createFromAsset(context.getApplicationContext().getAssets(), String.format("fonts/%s.ttf", typefaceName));

          	// Cache the loaded Typeface
          	sTypefaceCache.put(typefaceName, mTypeface);
      	}
  	}

  	@Override
  	public void updateMeasureState(TextPaint p) {
      	p.setTypeface(mTypeface);

      	// Note: This flag is required for proper typeface rendering
      	p.setFlags(p.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
  	}

  	@Override
	public void updateDrawState(TextPaint tp) {
    	tp.setTypeface(mTypeface);
     	// Note: This flag is required for proper typeface rendering
    	tp.setFlags(tp.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
	}
  
}
